Eye symptoms due to Nasopharyngeal cancers are rather common, early invasion of optic nerve is rare.Two cases of nasopharyngeal carcinoma presented initially with visual loss were reported.

• 鼻咽癌病患出现眼部症状并不少见，但以视力丧失作为鼻咽癌的最初表徵者，极为少见。今提出两例以视力丧失为最初症状的鼻咽癌病例。